pvm_addmhf(3) on Linux

The text fea453f02f51, as Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it. The page shows this text now.

Install message-handler functions. pvm_delmhf - Remove message-handler functions.